Crossword

Across

3. condidate
5. hump
7. sample
9. rural
12. ignore
13. mud
14. genie
15. population
18. entrepreneurs
20. invention
21. dust

Down

1. pottery
2. tire
4. goal
6. persuasive
8. airfoil
10. lie
11. juggling
16. competition
17. submit
19. dull